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10002112212021 = 378711033840787
BaseRepresentation
bin1001000110001100110001…
…0110000110110000110101
31022102012012101201202000020
42101203030112012300311
52302333311211241041
633134523521035353
72051425444012656
oct221431426066065
938365171652006
1010002112212021
113206965653196
121156587185b59
1357726c930a17
1426816787752d
151252a05bd866
hex918cc586c35

10002112212021 has 16 divisors (see below), whose sum is σ = 13365204808704. Its totient is φ = 6653562582384.

The previous prime is 10002112211989. The next prime is 10002112212047. The reversal of 10002112212021 is 12021221120001.

It is not a de Polignac number, because 10002112212021 - 25 = 10002112211989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002112212221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683790 + ... + 4524576.

It is an arithmetic number, because the mean of its divisors is an integer number (835325300544).

Almost surely, 210002112212021 is an apocalyptic number.

It is an amenable number.

10002112212021 is a deficient number, since it is larger than the sum of its proper divisors (3363092596683).

10002112212021 is a wasteful number, since it uses less digits than its factorization.

10002112212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842680.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10002112212021 its reverse (12021221120001), we get a palindrome (22023333332022).

The spelling of 10002112212021 in words is "ten trillion, two billion, one hundred twelve million, two hundred twelve thousand, twenty-one".

Divisors: 1 3 787 1103 2361 3309 868061 2604183 3840787 11522361 3022699369 4236388061 9068098107 12709164183 3334037404007 10002112212021